﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp1
{
    class Subtraction: Calculate
    {
        public override void DisplayResult()
        {
                Console.WriteLine(this.a + "-" + this.b + "=" + (sum = this.a - this.b));
        }
    }
}
